AOpen MX34-U Datenblatt

ATX Power Connector

Low ESR Capacitors

Resettable Fuse

AGP 4x Expansion Slot

370-pin CPU Socket with Voltage &

Frequency Auto-detection

supports Intel®Pentium™ III (Both

Coppermine & Tualatin are supported) &

Celeron 533MHz~1.2GHz+ CPU

VIAApollo Pro 133T Chipset with

Aluminum Heatsink

CPU Fan (with H/W Monitoring)

PC133 DIMM Slot x3

FDD Connector

ATA33/66/100 IDE Connector x2

JP23 FSB Select Jumper

AC’97 CODEC Chipse

Front Audio Connecto

AUX-IN

MODEM-CN

CD-IN

2Mbit Flash ROM BIOS

32bit PCI Expansion Slot x 3

IrDA Connecto

Support 2n

USB Port

Front Panel Connecto

FAN2 (with H/W Monitoring)

JP14 Clear CMOS Jumper

WOM (Wake On Modem)

JP12 Onboard Audio Select Jumpe

MIC-In

Line-In

Speaker Out

USB Port COM 1 Port

Game Port

COM 2 Port

SPP/EPP/ECP

Parallel Port

PS/2 Mouse

Connector

PS/2 Keyboard

Connector

WOL (Wake On LAN)

JP27 USB Ke

board/Mouse Wakeu

1. JP14 Clear CMOS

2. JP12 Enable/Disable Onboard Audio

Everything you need to boot this

motherboard is included in this

Easy Installation Guide. For more

information, a complete Online

User's Manual can be found in the

Bonus Pack CD Disc. Thanks fo

the help of saving our earth!

PART NO: 49.88H01.002 DOC. NO: MX34U-EG-E0112B

This Easy Installation Guide x 1

80-Wire IDE Cable x 1

Floppy Drive Cable x 1

Bonus Pack CD x 1

Motherboard x 1

Tip: When should I Clear CMOS?

1. Boot fail because of overclocking…

2. Forget password…

3. Troubleshooting…

You can clear CMOS to restore system default setting. To

clear the CMOS, follow the procedure below.

1. Turn off the system and unplug the AC power.

2. Remove ATX power cable from connector PWR2.

3. Locate JP14 and short pins 2-3 for a few seconds.

4. Return JP14 to its normal setting by shorting pin 1 & pin 2.

5. Connect ATX power cable back to connector PWR2.

JP12 Onboard Audio jumpe

Pin 1

This motherboard has AC’97 sound onboard. JP12 is used to enable or disable onboard AC97 CODEC chip.

If you don’t want to enable the Onboard Audio, you should set this jumper to 2-3, and disable the “OnChip

Sound” from BIOS setting > Advanced Chipset Features, before you install your preferred PCI Sound Card.

Normal

(

default

)

Clear CMOS

Enable

(Default)

Disable

Plug in the CPU fan cable to the 3-pin CPU FAN connector. If you have housing fan, you

can also plug it on System FAN connector.

CPU CPU Core Frequency FSB Clock Ratio

Celeron 600 600MHz 66MHz 9x

Celeron 766 766MHz 66MHz 11.5x

Celeron 800 800MHz 100MHz 8x

Celeron 850 850MHz 100MHz 8.5x

Celeron 900 900MHz 100MHz 9x

Celeron 950 950MHz 100MHz 9.5x

Celeron 1.0G 1.0GHz 100MHz 10x

Celeron 1.1G 1.1GHz 100MHz 11x

Celeron 1.2G 1.2GHz 100MHz 12x

Pentium III 800E 800MHz 100MHz 8x

Pentium III 850E 850MHz 100MHz 8.5x

Pentium III 800EB 800MHz 133MHz 6x

Pentium III 866EB 866MHz 133MHz 6.5

Pentium III 933EB 933MHz 133MHz 7x

Pentium III 1G 1GHz 133MHz 7.5x

Pentium III 1.13G 1.13GHz 133MHz 8.5x

Pentium III 1.2G 1.2GHz 133MHz 9x

Setting CPU Core Voltage

This motherboard supports CPU VID function. The CPU core voltage will be automatically

detected and the range is from 1.05V to 1.825V. It is not necessary to set CPU Core Voltage

Setting CPU Frequency

This motherboard is CPU jumper-less design, you can set CPU frequency through the BIOS

setup, no jumpers or switches are needed.

BIOS Setup > Frequency / Voltage Control > CPU Speed Setup

Core Frequency = CPU FSB Clock * CPU Ratio

CPU Ratio 3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x, 7.5x, 8x, 8.5x, 9x, 9.5x, 10x, 10.5x, 11x, 11.5x,

12x, 12.5x, 13x, 13.5x, 14x, 14.5x, 15x, 15.5x and 16x

CPU FSB

(By BIOS Table)

66.8, 75, 83.3, 100, 103, 105, 110, 112, 115, 120, 124, 133.3, 140, and 150 MHz

5. Setting CPU Voltage & Frequency

4. Installing CPU & Housing Fan

3. Installing Processor

Warning: VIA Apollo Pro

133T chipset support

maximum 133MHz FSB

and 66MHz AGP clock,

higher clock setting ma

cause serious system

damage.

1. Pull up the CPU socket lever and up to

90-degree angle.

2. Locate Pin 1 in the socket and look for a

(golden) cut edge on the CPU upper interface.

Match Pin 1 and cut edge. Then insert the

CPU into the socket.

3. Press down the CPU socket lever and finish

CPU installation.

Note: If you do not match the CPU socket

Pin 1 and CPU cut edge well, you may

damage the CPU.

CPU Pin1 and

cut edge

CPU socket

Lever

Note: Some CPU fans do

not have sensor pin, so

that they cannot support

fan monitorin

FAN2

Connector

GND

+12V

SENSOR

CPU

Connector

This socket supports FC-PGA package CPU, which is the latest CPU package developed

by Intel, we strongly recommend you not to insert former PPGA-package CPU onto it.

Pin 1

6. JP23 FSB/PCI Clock Ratio 8. Connecting IDE and Floppy Cable

9. Connecting Front Panel Cable

The JP23 is used to specify the relationship of PCI and FSB clock. Generally speaking, i

you are not overclockers, we recommend you to set the jumper at the default setting. Connect 34-pin floppy cable and 40-pin, 80-wire IDE cable to floppy connector FDC and

IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system

damage.

Pin 1

FDD Connector

Speaker

IDE LED

SPWR

+ ACPI &

Power LED

Reset

SPWR

GND

ACPILED-

GND

ACPILED

GND

RESET

GND

+5V

IDE LED

+5V

GND

SPEAKER

Attach the power LED, speaker, and reset switch

connectors to the corresponding pins. If you enable

“Suspend Mode” item in BIOS Setup, the ACPI &

Power LED will keep flashing while the system is in

suspend mode.

Locate the power switch cable from your ATX

housing. It is 2-pin female connector from the

housing front panel. Plug this connector to the

soft-power switch connector marked SPWR.

Warning: VIA Apollo

Pro 133T chipset

supports maximum

133MHz FSB and

66MHz AGP clock,

higher clock setting

may cause serious

stem dama

Secondary

Master (3rd)

Secondary

Slave (4th)

Primary

Slave (2nd) Primary

Master (1st)

TA 33/66/100

IDE Connector

IDE 1 (Primary)

IDE 2 (Secondary)

Pin 1

7. JP27 USB Keyboard/Mouse Wakeup

This jumper allows you to enable or disable the function of system wakeup through USB

keyboard/mouse. To enable this function by setting the jumper to pin 2-3, you can

resume your system from suspend mode when an USB keyboard/mouse is used.

Auto Detect

(Default)

FSB=133MHz

FSB=100MHz

FSB=66MHz

Disable

(Default) Enable

Pin1

This motherboard provides 4 USB connectors to connect USB devices, such as mouse,

keyboard, modem, printer, etc. There are two connectors on the PC99 back panel. You can

use proper cable to connect other USB connectors to the back panel or front panel o

chassis.

Connector Pin1 Pin2 Pin3 Pin4

CD-IN Left GND GND Right

MODEM-CN Mono In GND GND Mic Out

AUX-IN Left GND GND Right

The IrDA connector can be configured to support wireless infrared module, with this module and

application software such as Laplink or Windows 95 Direct Cable Connection, the user can

transfer files to or from laptops, notebooks, PDA devices and printers. This connector supports

HPSIR (115.2Kbps, 2 meters) and ASK-IR (56Kbps).

Install the infrared module onto the IrDA connector and enable the infrared function from BIOS

Setup, UART Mode, make sure to have the correct orientation when you plug in the IrDA

connector.

Pin 1

12. Connecting CD / MODEM / AUX

11. Front Audio Connector

If the housing has been designed with an audio port on the front panel, you’ll be able to

connect onboard audio to front panel through this connector.

The CD-IN connector is used to connect CDAudio

cable from CDROM or DVD drive to onboard sound.

The MODEM-CN connector is used to connect

Mono In/ Mic Out cable from internal modem card to

onboard sound circuit.

The AUX-IN connector is used to connect MPEG

Audio cable from MPEG card to onboard sound.

FP_MIC

MICVREF

PHONE_R

PHONE_L

GND

+5V

KEY

1 2

9 10

13. IrDA Connector

10. Support 2nd USB Port

+5V

SBD3-

SBD3+

GND

+5V

SBD2-

SBD2+

GND

KEY

USB2 Connector

Pin 1

IrDA Connector

Pin 1

1KEY

GND

IR_RX

IR_T

IrDA Connector

AUX-IN

MODEM-CN

CD-IN

After you finish the setting of jumpers and connect correct cables. Power on

and enter the BIOS Setup, press <Del> during POST (Power On Self Test).

Choose "Load Setup Defaults" for recommended optimal performance.

14. Power-on and Load BIOS Setup

15. AOpen Bonus Pack CD 17. BIOS Upgrade

AOpen Easy Flash is more user friendly than traditional flash method. The BIOS binary

file and flash routine are combined together and you simply run a single file to complete

the flash process.

1. Download new BIOS upgrade zipped file from AOpen's web site. For example,

MX34U102.ZIP.

2. Run shareware PKUNZIP (http://www.pkware.com/) which supports

miscellaneous operation systems to extract the binary BIOS file and the flash

utility. Or Winzip (http://www.winzip.com/) in Windows environment.

3. Save the unzipped file into a bootable floppy disk.

For example, MX34U102.BIN &MX34U102.EXE

4. Reboot the system to DOS mode without loading any memory handler (such as

EMM386) or device driver. It needs around 520K free memory space.

5. ExecuteA:> MX34U102 and the program will do the rest of it.

DO NOT turn off the power during FLASH PROCESS until you are asked to!!

6. Reboot system and press <Del> to enter BIOS Setup, Choose "Load Setup

Defaults", then “Save & Exit Setup” and finish the BIOS upgrade.

Warning: The upgrade of new BIOS will permanently replace your original BIOS

content after flashing. The original BIOS setting and Win95/Win98 PnP information

will be refreshed and

robabl

need to re

confi

ure

our s

stem.

16. Installing Onboard Sound Driver

You can use the autorun menu of Bonus CD disc. Choose the utility and driver and select

model name.

Del

Warning: Please avoid of usin

"Load Turbo Defaults", unless yo

are sure your system component

(CPU, DRAM, HDD, etc.) are goo

enou

h for turbo settin

This motherboard comes with an AC97 CODEC chip, you can find the audio driver from

the Bonus Pack CD autorun menu.

If you encounter any trouble to boot you system, follow the

procedures accordingly to resolve the problem.

Part Number and Serial Number

The Part Number and Serial number are printed on bar code label. You can find this ba

code label on the outside packing, on ISA/CPU slot or on component side of PCB. Fo

example:

Model name and BIOS version

MX34-U R1.00 Feb. 04. 2001 AOpen Inc.

Award Plug and Play BIOS Extension v1.0A

Model name and BIOS version can be found on upper left corner of first boot screen

(POST screen). For example:

MX34-U is model name of motherboard, R1.00 is BIOS version.

Make sure if the jumper settings for CPU and DRAMs are correct.

Clear CMOS.

Install the VGA card. Then connect your monitor and keyboard.

The problem was probably caused

by power supply or motherboard

failure. Please contact your reselle

or local distributor for repairing.

Perhaps your VGA card or monito

is defective.

Yes

It is very possible that your keyboard

is defective.

During system rebooting, press Del to enter BIOS Setup. Choose

“Load Setup Default".

The problem should be caused by the

IDE cables or HDD itself.

Re-install Windows 95, Windows 98 or Windows NT.

Yes

Turn off the power and unplug the AC power cable, then remove all

of the addon cards and cables, including VGA, IDE, FDD, COM1,

COM2 and Printer.

Turn on the power, and check if

the power supply and CPU fan

work properly.

Start

Check if there is display.

Press Ctrl, and Alt key at the

same time, hold them and then

press Del to see if the

stem reboots.

Turn off the system and

re-connect the IDE cable.

Check if the system can

reboot successfully.

End

P/N: 91.88110.201 is part number, S/N: 91949378KN73 is serial number.

Part No. Serial No.

Dear Customer,

Thanks for choosing AOpen products. To provide the best and fastest service to

our customer is our first priority. However, we receive numerous emails and

hone-calls worldwide everyday, it is very hard for us to serve everyone on time.

We recommend you follow the procedures below and seek help before contact

us. With your help, we can then continue to provide the best quality service to

more customers.

Thanks very much for your understanding!

Open Technical Supporting Team

Online Manual: Please check the manual carefully and make sure the

jumper settings and installation procedure are correct.

http://www.aopen.com/tech/download/manual/default.htm

Test Report: We recommend to choose board/card/device from the

compatibility test reports for assembling your PC.

http://www.aopen.com/tech/report/default.htm

FAQ: The latest FAQ (Frequently Asked Questions) may contain a

solution to your problem.

http://www.aopen.com/tech/faq/default.htm

Download Software: Check out this table to get the latest updated

BIOS/utility and drivers.

http://www.aopen.com/tech/download/default.htm

News Group: Your problem probably had been answered by our support

engineer or professional users on the news group.

http://www.aopen.com/tech/newsgrp/default.htm/default.htm

Contact Distributors/Resellers: We sell our products through resellers

and integrators. They should know your system configuration very well and

should be able to solve your problem more efficiently than us.After all, their

attitude of service is an important reference for you if next time you want to

buy something else from them.

before contacting us. The part number, serial number and BIOS version

are also very helpful.

Web Site: www.aopen.com

E-mail: Send us email by going through the contact form below.

English http://www.aopen.com/tech/contact/techusa.htm

Japanese http://www.aopen.co.jp/tech/contact/techjp.htm

Chinese http://www.aopen.com.tw/tech/contact/techtw.htm

German http://www.aopencom.de/tech/contact/techde.htm

French http://france.aopen.com/tech/contact/techfr.htm

Simplified Chinese http://www.aopen.com.cn/tech/contact/techcn.htm

Pacific Rim

AOpen Inc.

Tel: 886-2-3789-5888

Fax: 886-2-3789-5899

America

AOpen America Inc.

Tel: 1-408-922-2100

Fax: 1-408-922-2935

Europe

AOpen Computer b.v.

Tel: 31-73-645-9516

Fax: 31-73-645-9604

Germany

AOpen Computer GmbH.

Tel: 49-2102-157700

Fax: 49-2102-157799

China

艾尔鹏国际上海(股)有限公司

Tel: 86-21-6225-8622

Fax: 86-21-6225-7926

Japan

AOpen Japan Inc.

Tel: 81-048-290-1800

Fax: 81-048-290-1820

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